Show simple item record

dc.contributor.authorSubramanian, Sasikrishnanen_US
dc.identifier.otherbibid: 8251396
dc.description.abstractNanoparticles have a diffusion constant a couple of orders of magnitude smaller than inert chemical tracers such as potassium bromide (KBr), and this means that they can potentially be used to measure the degree to which subsurface flow occurs through fractures and high permeable zones in heterogeneous porous media. Using carbon based 2-5 nm particles (C-Dots); we inject dual tracers at different flow rates into a permeable core channel (fracture). The KBr tracer has time to diffuse into the surrounding halo much more than the particle tracer and arrives much later in the effluent. We carry out this kind of experiment in laboratory apparatus with different geometry (Hele-Shaw fracture cell, Rectangular and Cylindrical Beadpack columns). The Interpretation required models that take into account the flow in the halo as well as the core and, which also include dispersion. All experiments could be interpreted in a consistent fashion. The success suggests that it may be possible to assess the extent of fracture-controlled flow in the subsurface by combining non-sticking nanoparticles with an inert chemical tracer.en_US
dc.subjectnanoparticle transporten_US
dc.subjectheterogeneous porous mediaen_US
dc.subjectfluid bypassen_US
dc.titleNanoparticle Transport Through Fractures And Heterogeneous Porous Mediaen_US
dc.typedissertation or thesisen_US Sciences Universityen_US of Science, Geological Sciences
dc.contributor.chairCathles, Lawrence Men_US
dc.contributor.committeeMemberArcher, Lynden A.en_US

Files in this item


This item appears in the following Collection(s)

Show simple item record